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  • Acceptable Treads

    First time posting, so I apologize if this is in the incorrect forum. We would like to use the following tread and would like to know if it is acceptable:

    Blue Nitrile Roughtop Tread, 1" Wide, Thickness 0.28, Coefficient of Friction on tight pile: 1.19, Tread material: Carbox Nitrile Rubber, Tread Pattern: Roughtop.

    Thanks!

    Steve Morales
    FTC Team #6085

  • #2
    The only correct reply is to post this in the Robot Inspection and Build Rules area. That is the only official area to get your answer.

    Now, to help out, I did a search for "roughtop". It's mentioned in this reply and unfortunately, it doesn't sound like the answer you probably wanted.
    http://ftcforum.usfirst.org/showthre...htop#post17342

    Best of luck with your season!
    Technical Coach, Newton Busters FTC 10138, FLL 3077
    Chicago 'burbs, IL

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    • #3
      Originally posted by gof View Post
      The only correct reply is to post this in the Robot Inspection and Build Rules area. That is the only official area to get your answer.

      Now, to help out, I did a search for "roughtop". It's mentioned in this reply and unfortunately, it doesn't sound like the answer you probably wanted.
      http://ftcforum.usfirst.org/showthre...htop#post17342

      Best of luck with your season!
      OK, thanks much for both the direction and the info!

      Steve

      Comment


      • #4
        As gof said - you need to go Robot Inspection and Build Rules area to get an official reply.
        That being said - there is the floor tile test - put the robot against the wall (immovable object) and run it at full power for 15 seconds. If it doesn't damage the tile you are good to go.

        See this link for the official post: http://ftcforum.usfirst.org/showthre...ll=1#post10489

        I have seen some VERY aggressive wheels last year that passed this test because the motors would stall out in such a scenario and therefore didn't damage the floor. I have also see some aggressive treads pass because the robot was light enough that it just kind of bounced on top of the tiles and again didn't damage the floor.

        So - it really depends not only the wheel surface but the weight of the robot and the motors driving it, etc.

        If you do use such a tread be prepared at robot inspection to be questioned and have to do the test.

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